Lee Enfield Bolt |
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mausernut
Groupie Joined: March 11 2017 Location: Manitoba Canada Status: Offline Points: 46 |
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Posted: September 11 2019 at 6:09pm |
What kind of stone do you use to stone the bolt on a Lee Enfield when fitting a new bolt?
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Zed
Special Member Donating Member Joined: May 01 2012 Location: France Status: Offline Points: 5585 |
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I used a fine "arkansas" stone. Used in jewelery. You can buy them on line. I used a 10mm square section stone; its about 10 cm's long. With light oil to lubricate it a little. It is better to go slowly with a fine stone such as this and do constatnt checks along the way. You may be looking at just 0.001" to make a difference. I wrapped a piece of beer can around the shaft of the bolt to prevent sctratching it with the side of the stone. "Engineers blue" paste for checking the contact area as you probably already know. Pulling the bolt back into the lugs by hand can give a slightly off reading if there's some play in the bolt channel. So better to use an empty case add some tape to the head to just take up the head space and have the load going straight down the bolt. Here's a link: https://www.sharpeningsupplies.com/Arkansas-Stones-C96.aspx
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Canuck
Special Member Donating Member Joined: January 17 2012 Location: Agassiz BC Status: Offline Points: 3535 |
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In the past on such a task I have used 'candling', the soot from a burning candle instead of engineers' blue.
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Castles made of sand slip into the sea.....eventually
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Shamu
Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 17603 |
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That works, so does "Sharpie". Basically anything you can put on that will stay put but abrade off cleanly. Do protect the bolt BODY though as Zed mentions.
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Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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mausernut
Groupie Joined: March 11 2017 Location: Manitoba Canada Status: Offline Points: 46 |
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Thanks guys
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if you can't be an example, be WARNING
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Wiking5th
Newbie Joined: September 22 2019 Location: USA Status: Offline Points: 2 |
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he!!o, new to this forum and also new to Enfields. I hope this will be the right place for this question.
I have a No1, Mk3. When I first try to open the bolt it is very hard to break over the bolt head from the bolt assembly. I have taken the bolt out and cleaned the head and front of the assembly good. Have applied a light amount of oil. The head when fully seated goes very slightly past the guide (sorry if my terminology is not correct). I have read where this is acceptable. As I try to hand break the head over there is an initial stick same as when the bolt is locked in place. Any suggestions or ideas on what I need to check to see if I can't get a smoother bolt operation? |
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Shamu
Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 17603 |
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Let me see if I understand this correctly. You are removing the bolt HEAD from the bolt BODY after its out of the rifle? Or are you referring to "popping" the bolt head up to vertical so you can remove the whole thing from the action?
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Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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Wiking5th
Newbie Joined: September 22 2019 Location: USA Status: Offline Points: 2 |
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The root problem is when I try to turn the cocking handle to chamber a round, the bolt head sticks in the locked down position. You have to really force it to pop up to slide the bolt assembly back. Once the bolt assembly is removed from the rifle. When I turn the bolt head to remove from the rest of the bolt assembly there is a "sticking point" that have to exert pressure to get past at the very first. I hope this better explains the problem. Thanks |
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englishman_ca
Senior Member Joined: September 08 2009 Location: Almaguin Status: Offline Points: 1089 |
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Just guessing by your description.Sticky jumpy bolt when you open and close it? Something feels like it is catching or sticking?
Make sure that rear of extractor claw spring is assembled correctly and is not sticking out too far out the back and catching on the bolt body as it goes past. Cocking piece and bolt cam tracks. I refer to the two machined grooves at the back of the bolt underneath. There is a lot going on here when you open the bolt. The cams retract the striker slightly on opening. The corresponding tab on the cocking piece needs to be in good condition too, not worn away and miss shapen. Same as with the pointed shape at the merge of the cam tracks in the bolt body. Not much can be done if worn, other than replacement. Wear here can make the bolt feel like it is catching on something and extra effort is needed to pop the bolt past and fully open. But it could be a number of other things too. Give us another description in your own words of what happens. You'll eventually learn the terminology. Take some pics if you can |
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Shamu
Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 17603 |
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OK I misunderstood, thanks for clarifying. Does it happen regardless of firing status (fired, unfired, empty chamber)? I assume it does from you description of the sticking point. Let me check something though as your description is a bit vague. This happens as you lift the bolt handle UP (in the forward position & turned down) to extract a round? or with the bolt open & at the rear & you're trying to strip a round from the magazine to chamber it?
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Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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mausernut
Groupie Joined: March 11 2017 Location: Manitoba Canada Status: Offline Points: 46 |
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How much contact should the lugs have?
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if you can't be an example, be WARNING
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Shamu
Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 17603 |
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I usually figure anything more than 30% but even on each lug is GTG. You'll never get 100%, it has to do with the camming geometry of the lugs & recesses.
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Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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mausernut
Groupie Joined: March 11 2017 Location: Manitoba Canada Status: Offline Points: 46 |
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Kind of thought it would be hard to get full engagement.
Thanks for the info; Cecil
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if you can't be an example, be WARNING
Hunter Safety Instructor Canadian Firearms Safety Course Istructor Canadian Restricted Firearms Safety Course Instructor |
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Zed
Special Member Donating Member Joined: May 01 2012 Location: France Status: Offline Points: 5585 |
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It's difficult to get equal contact on both lugs.
I checked the bolt contact on my No4Mk1 which is totally original; the No4Mk1/2 which is Fulton's regulated. Both have slightly more contact on the long lug than the short one. I fitted a new bolt to my No1MkIII* and achieved similar results with careful stoning. |
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It's nice to be important, but it's more important to be nice!
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Shamu
Admin Group Logo Designer / Donating Member Joined: April 25 2007 Location: MD, USA. Status: Offline Points: 17603 |
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Yes it will never be a perfect match, just get as close as you can.
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Don't shoot till you see the whites of their thighs. (Unofficial motto of the Royal Air Force)
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